Fluorine-based Zn salan complexes
Fluorine-based Zn salan complexes
We synthesised and characterised the racemic and chiral versions of two Zn salan fluorine-based complexes from commercially available materials. The complexes are susceptible to absorbing H2O from the atmosphere. In solution (DMSO–H2O) and at the millimolar level, experimental and theoretical studies identify that these complexes exist in a dimeric-monomeric equilibrium. We also investigated their ability to sense amines via19F NMR. In CDCl3 or d6-DMSO, strongly coordinating molecules (H2O or DMSO) are the limiting factor in using these easy-to-make complexes as chemosensory platforms since their exchange with analytes requires an extreme excess of the latter.
4044-4057
Essien, Nsikak B.
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Galvácsi, Antal
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Kállay, Csilla
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Al-Hilaly, Youssra
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González-Méndez, Ramón
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Akien, Geoffrey R.
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Tizzard, Graham J.
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Coles, Simon J.
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Besora, Maria
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Kostakis, George E.
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28 March 2023
Essien, Nsikak B.
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Galvácsi, Antal
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Kállay, Csilla
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Al-Hilaly, Youssra
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González-Méndez, Ramón
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Akien, Geoffrey R.
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Tizzard, Graham J.
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Coles, Simon J.
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Besora, Maria
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Kostakis, George E.
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Essien, Nsikak B., Galvácsi, Antal, Kállay, Csilla, Al-Hilaly, Youssra, González-Méndez, Ramón, Akien, Geoffrey R., Tizzard, Graham J., Coles, Simon J., Besora, Maria and Kostakis, George E.
(2023)
Fluorine-based Zn salan complexes.
Dalton Transactions, 52 (13), .
(doi:10.1039/d2dt04082d).
Abstract
We synthesised and characterised the racemic and chiral versions of two Zn salan fluorine-based complexes from commercially available materials. The complexes are susceptible to absorbing H2O from the atmosphere. In solution (DMSO–H2O) and at the millimolar level, experimental and theoretical studies identify that these complexes exist in a dimeric-monomeric equilibrium. We also investigated their ability to sense amines via19F NMR. In CDCl3 or d6-DMSO, strongly coordinating molecules (H2O or DMSO) are the limiting factor in using these easy-to-make complexes as chemosensory platforms since their exchange with analytes requires an extreme excess of the latter.
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d2dt04082d
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Published date: 28 March 2023
Additional Information:
Funding Information:
N. B. E. thanks the TETFUND for financial support. G. E. K. thanks the EPSRC UK National Crystallography Service at the University of Southampton for collecting the crystallographic data.94 M. B. acknowledges financial support PID 2020-112762GB-I00 funded by MCIN/AEI/10.13039/501100011033. We thank Prof. Louise C. Serpell (Sussex Neuroscience) for accessing the Circular Dichroism (CD) apparatus.
Publisher Copyright:
© 2023 The Royal Society of Chemistry.
Identifiers
Local EPrints ID: 476591
URI: http://eprints.soton.ac.uk/id/eprint/476591
ISSN: 0300-9246
PURE UUID: 00d185f9-197a-42ce-93ca-a152cabc3bd8
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Date deposited: 09 May 2023 16:51
Last modified: 17 Mar 2024 02:53
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Contributors
Author:
Nsikak B. Essien
Author:
Antal Galvácsi
Author:
Csilla Kállay
Author:
Youssra Al-Hilaly
Author:
Ramón González-Méndez
Author:
Geoffrey R. Akien
Author:
Maria Besora
Author:
George E. Kostakis
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